Spheres
| First published | December 1940 |
|---|---|
| Type | Short Fiction |
| Length | Novelette |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1940 | Astounding Science-Fiction, December 1940 | Street & Smith Publications, Inc. | MAGAZINE | 44 |
| December 1940 | Astounding Science-Fiction, December 1940 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 24 |